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Boston Scientific Corp

BSX
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0000885725

In the last 90 days, Boston Scientific Corp insiders filed 5 open-market purchases and 0 sales; 1,486 institutions reported holding it in 13F filings for Q2 2026, worth $57.3B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q2 2025

Institutional positions in Boston Scientific Corp as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,694
+64 vs. Q1 2025
Shares held
1.35B
+15.0M (+1.1%) vs. Q1 2025
Total value
$145.4B
+$10.4B (+7.7%) vs. Q1 2025
New holders
155
755 more added
Sold out
91
551 more reduced

19 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BSX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 1,694 institutions
Q1 2021: 836 institutionsQ2 2021: 873 institutionsQ3 2021: 884 institutionsQ4 2021: 892 institutionsQ1 2022: 909 institutionsQ2 2022: 882 institutionsQ3 2022: 866 institutionsQ4 2022: 930 institutionsQ1 2023: 1,000 institutionsQ2 2023: 1,069 institutionsQ3 2023: 1,060 institutionsQ4 2023: 1,151 institutionsQ1 2024: 1,227 institutionsQ2 2024: 1,325 institutionsQ3 2024: 1,403 institutionsQ4 2024: 1,520 institutionsQ1 2025: 1,649 institutionsQ2 2025: 1,694 institutionsQ3 2025: 1,715 institutionsQ4 2025: 1,794 institutionsQ1 2026: 1,683 institutionsQ2 2026: 1,486 institutions
Value heldQ2 2025: $145.4B
Q1 2021: $49.9BQ2 2021: $55.3BQ3 2021: $56.6BQ4 2021: $54.8BQ1 2022: $57.0BQ2 2022: $48.6BQ3 2022: $50.9BQ4 2022: $60.5BQ1 2023: $65.7BQ2 2023: $71.6BQ3 2023: $70.6BQ4 2023: $77.3BQ1 2024: $90.9BQ2 2024: $102.2BQ3 2024: $111.0BQ4 2024: $119.8BQ1 2025: $135.2BQ2 2025: $145.4BQ3 2025: $131.1BQ4 2025: $130.0BQ1 2026: $84.2BQ2 2026: $57.3B
Institutions holding BSX and their total value by quarter
QuarterHoldersValue
Q2 20261,486$57.3B
Q1 20261,683$84.2B
Q4 20251,794$130.0B
Q3 20251,715$131.1B
Q2 20251,694$145.4B
Q1 20251,649$135.2B
Q4 20241,520$119.8B
Q3 20241,403$111.0B
Q2 20241,325$102.2B
Q1 20241,227$90.9B
Q4 20231,151$77.3B
Q3 20231,060$70.6B
Q2 20231,069$71.6B
Q1 20231,000$65.7B
Q4 2022930$60.5B
Q3 2022866$50.9B
Q2 2022882$48.6B
Q1 2022909$57.0B
Q4 2021892$54.8B
Q3 2021884$56.6B
Q2 2021873$55.3B
Q1 2021836$49.9B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2025.

Institutions holding BSX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Saudi Central Bank539,423$57.9M2.36%+538,843+92,904.0%Added
Mediolanum International Funds Ltd525,994$56.0M0.67%+103,124+24.4%Added
Erste Asset Management GmbH516,663$55.3M0.46%+229,053+79.6%Added
State of New Jersey Common Pension Fund D496,086$53.3M0.21%+555+0.1%Added
Resona Asset Management Co.,Ltd.494,097$53.0M0.26%+24,919+5.3%Added
Natixis490,086$52.6M0.26%−62,405−11.3%Reduced
Hudson Bay Capital Management LP484,000$52.0M0.34%+484,000New
Anchor Capital Advisors LLC481,206$51.7M1.52%−15,155−3.1%Reduced
Tocqueville Asset Management L.P.475,195$51.0M0.78%−16,802−3.4%Reduced
Polar Capital Holdings Plc454,257$48.8M0.26%−16,856−3.6%Reduced
ASR Vermogensbeheer N.V.454,047$48.8M0.63%+1,770+0.4%Added
Cubist Systematic Strategies, LLC451,960$48.5M0.53%−377,032−45.5%Reduced
DnB Asset Management AS441,574$47.4M0.20%−33,954−7.1%Reduced
Arizona State Retirement System432,395$46.4M0.27%−22,905−5.0%Reduced
Sofinnova Investments, Inc.431,200$46.3M3.15%+431,200New
First Trust Advisors LP429,637$46.1M0.04%−188,265−30.5%Reduced
Meridiem Capital Partners LP426,319$45.8M3.30%+296,129+227.5%Added
E. Ohman J:or Asset Management AB414,316$44.5M1.10%+42,616+11.5%Added
Bowen Hanes & Co Inc414,280$44.5M1.12%+8,220+2.0%Added
Oddo BHF Asset Management SAS413,604$44.4M1.69%+14,384+3.6%Added
State of Michigan Retirement System402,308$43.2M0.22%+2,500+0.6%Added
Intech Investment Management LLC392,601$42.2M0.40%+10,436+2.7%Added
MetLife Investment Management388,493$41.7M0.25%+5,777+1.5%Added
Nisa Investment Advisors, LLC383,813$41.2M0.19%−22,142−5.5%Reduced
Main Street Research LLC381,293$41.0M2.55%+8,518+2.3%Added
Associated Banc-Corp372,060$40.0M1.13%−2,821−0.8%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys362,842$39.0M0.21%+25,797+7.7%Added
Czech National Bank361,629$38.8M0.30%+23,011+6.8%Added
Cullen/Frost Bankers, Inc.361,002$38.8M0.49%+203+0.1%Added
Formuepleje A/S382,511$38.6M2.20%00.0%Unchanged
NS Partners Ltd358,651$38.5M1.57%−9,538−2.6%Reduced
Rock Springs Capital Management LP355,000$38.1M2.38%+78,000+28.2%Added
Forsta Ap-Fonden354,900$38.1M0.25%−46,600−11.6%Reduced
US Bancorp353,845$38.0M0.05%+2,327+0.7%Added
Suvretta Capital Management, LLC353,561$38.0M1.43%+91,462+34.9%Added
Cetera Investment Advisers348,145$37.4M0.06%+13,412+4.0%Added
Quantinno Capital Management LP343,885$36.9M0.16%+106,715+45.0%Added
Banque Pictet & Cie SA340,579$36.6M0.38%+66,004+24.0%Added
HRT Financial LP337,270$36.2M0.16%+142,491+73.2%Added
Capital International Sarl336,632$36.2M0.69%+18,821+5.9%Added
Picton Mahoney Asset Management332,369$35.7M0.50%+37,904+12.9%Added
Diamond Hill Capital Management Inc331,271$35.6M0.16%−61,108−15.6%Reduced
Dai-Ichi Life Insurance Company, Ltd326,922$35.1M0.99%−25,993−7.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.327,180$35.1M0.07%−4,918−1.5%Reduced
Jane Street Group, LLC326,671$35.1M0.06%−73,846−18.4%Reduced
Gabelli Funds LLC323,621$34.8M0.25%+1500.0%Added
Colony Group, LLC323,278$34.7M0.08%−42,966−11.7%Reduced
Avidity Partners Management LP321,800$34.6M6.93%−14,200−4.2%Reduced
Retirement Systems of Alabama317,461$34.1M0.12%+751+0.2%Added
LGT Group Foundation308,508$33.1M0.42%−2,903−0.9%Reduced
Woodline Partners LP307,663$33.0M0.17%−100,223−24.6%Reduced
IFM Investors Pty Ltd304,017$32.7M0.31%+19,673+6.9%Added
Amalgamated Bank300,999$32.3M0.25%+8,559+2.9%Added
Mariner, LLC300,755$32.3M0.05%+56,113+22.9%Added
Susquehanna International Group, LLP298,887$32.1M0.05%+166,984+126.6%Added
Janney Montgomery Scott LLC297,960$32.0M0.08%+12,497+4.4%Added
Fifth Third Bancorp296,046$31.8M0.11%+24,557+9.0%Added
Rhenman & Partners Asset Management AB296,000$31.8M4.02%−4,000−1.3%Reduced
La Banque Postale Asset Management SA290,276$31.2M0.44%+108,205+59.4%Added
Congress Wealth Management LLC289,421$31.1M0.30%+48,132+19.9%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund287,958$30.9M0.29%+55,800+24.0%Added
ProShare Advisors LLC286,725$30.8M0.06%+49,430+20.8%Added
Osterweis Capital Management Inc283,208$30.4M1.46%+3,865+1.4%Added
Parkman Healthcare Partners LLC283,166$30.4M3.52%+57,176+25.3%Added
Comerica Bank282,122$30.3M0.12%−6,634−2.3%Reduced
O'Shaughnessy Asset Management, LLC281,773$30.3M0.21%+19,276+7.3%Added
Dana Investment Advisors, Inc.280,572$30.1M1.00%−28,965−9.4%Reduced
Perceptive Advisors LLC280,000$30.1M1.13%+150,000+115.4%Added
Walleye Capital LLC279,804$30.1M0.28%−72,410−20.6%Reduced
Creative Planning273,684$29.4M0.03%+15,673+6.1%Added
Baird Financial Group, Inc.273,534$29.4M0.05%+32,417+13.4%Added
Daiwa Securities Group Inc.271,940$29.2M0.11%+26,891+11.0%Added
Railway Pension Investments Ltd269,500$28.9M0.41%−7,000−2.5%Reduced
Eastern Bank268,578$28.8M0.55%+59,385+28.4%Added
Varma Mutual Pension Insurance Co268,181$28.8M0.21%−10,900−3.9%Reduced
Ethic Inc.268,319$28.6M0.51%−529−0.2%Reduced
Tiaa Trust, National Association263,176$28.3M0.07%+31,458+13.6%Added
Ilmarinen Mutual Pension Insurance Co263,000$28.2M0.23%00.0%Unchanged
Cookson Peirce & Co Inc262,643$28.2M1.24%−373−0.1%Reduced
Bank Julius Baer & Co. Ltd, Zurich260,823$28.0M0.08%−16,902−6.1%Reduced
Jefferies Financial Group Inc.257,639$27.7M0.46%+168,761+189.9%Added
Xponance, Inc.257,608$27.7M0.23%+39,769+18.3%Added
USS Investment Management Ltd256,881$27.6M0.17%+2,383+0.9%Added
Braun Stacey Associates Inc255,550$27.4M0.99%−9,238−3.5%Reduced
Zacks Investment Management246,951$26.5M0.23%+428+0.2%Added
Utah Retirement Systems242,518$26.0M0.27%−729−0.3%Reduced
Mirae Asset Global Investments Co., Ltd.242,492$26.0M0.09%+26,775+12.4%Added
Dakota Wealth Management238,666$25.6M0.54%+5,701+2.4%Added
Commonwealth Equity Services, LLC237,347$25.5M0.03%−16,017−6.3%Reduced
Sumitomo Mitsui Financial Group, Inc.235,481$25.3M0.41%+29,839+14.5%Added
Achmea Investment Management B.V.234,655$25.2M0.33%+34,600+17.3%Added
Hardman Johnston Global Advisors LLC233,504$25.1M1.11%−53,750−18.7%Reduced
British Columbia Investment Management Corp233,035$25.0M0.15%−48,825−17.3%Reduced
B. Metzler seel. Sohn & Co. AG230,554$24.8M0.24%+1,160+0.5%Added
Truist Financial Corp229,563$24.7M0.04%−18,116−7.3%Reduced
Catalio Capital Management, LP229,046$24.6M5.16%+229,046New
Teachers Retirement System of the State of Kentucky228,284$24.5M0.20%+4,942+2.2%Added
Aristotle Atlantic Partners, LLC226,982$24.4M0.74%−7,557−3.2%Reduced
Rockefeller Capital Management L.P.225,656$24.2M0.05%+54,573+31.9%Added
Yousif Capital Management, LLC224,621$24.1M0.26%−4,360−1.9%Reduced